National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

34°F

1°C

Humidity 87%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 17 Oct 7:45 am CDT
Extended Forecast for

3 Miles NE Edgerton WI

Freeze Warning October 17, 07:54am until October 17, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning October 17, 07:54am until October 17, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Today

    High: 56 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 39. Southwest wind around 10 mph.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. Southwest wind 5 to 10 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 66. South wind around 5 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. Southeast wind around 5 mph becoming calm.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Today
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Light west wind becoming southwest 5 to 10 mph in the morning.
Tonight
Clear, with a low around 39. Southwest wind around 10 mph.
Sunday
Sunny, with a high near 62. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 38. Southwest wind 5 to 10 mph.
Monday
Sunny, with a high near 66. South wind around 5 mph.
Monday Night
Partly cloudy, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 44. Southeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Edgerton WI
 42.86°N 89.02°W (Elev. 801 ft)
Last Update:
6:56 am CDT Oct 17, 2026
Forecast Valid:
7am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation